#include <stdio.h>
#include <math.h>
int a[27];
int main()
{
    int i, n, j = 1;
    a[1] = 1;
    printf(" the original order of cards is (r:rad b:block):\n");
    for (i = 2; i <= 26; i++)
    {
        n = 1;
        do
        {
            if (j > 26)
                j = 1;
            if (a[j])
                j++;
            else
            {
                if (n == 3)
                    a[j] = i;
                j++;
                n++;
            }

        } while (n <= 3);
    }
    for (i = 1; i <= 26; i++)
    {
        printf(" %c", a[i] > 13 ?  'r' : 'b');
        printf(" %2d", a[i] > 13 ?  a[i] - 13 : a[i]);
    }
    printf("\n");
}